121200130123013 has 4 divisors (see below), whose sum is σ = 121209033400428. Its totient is φ = 121191226845600.

The previous prime is 121200130122991. The next prime is 121200130123067. The reversal of 121200130123013 is 310321031002121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40934890249444 + 80265239873569 = 6398038^2 + 8959087^2 .

It is a cyclic number.

It is not a de Polignac number, because 121200130123013 - 2¹⁶ = 121200130057477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121200130123073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4451618288 + ... + 4451645513.

It is an arithmetic number, because the mean of its divisors is an integer number (30302258350107).

Almost surely, 2^{121200130123013} is an apocalyptic number.

It is an amenable number.

121200130123013 is a deficient number, since it is larger than the sum of its proper divisors (8903277415).

121200130123013 is an equidigital number, since it uses as much as digits as its factorization.

121200130123013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8903277414.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 121200130123013 its reverse (310321031002121), we get a palindrome (431521161125134).

The spelling of 121200130123013 in words is "one hundred twenty-one trillion, two hundred billion, one hundred thirty million, one hundred twenty-three thousand, thirteen".